\documentclass[a4paper,12pt, brazil]{article}
\usepackage[num]{abntcite}
\usepackage[brazil]{babel}
\usepackage[latin1]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{indentfirst}
\usepackage{graphicx}														%Package para figuras
\usepackage{float}
\usepackage{geometry}
\usepackage{setspace}
\usepackage{url}
\geometry{a4paper,left=3cm,right=2cm,top=3cm,bottom=2cm}

\citebrackets[]

\makeatletter	%Para que ele entenda o @

\setstretch{1.5}

\renewcommand*\l@section{\@dottedtocline{1}{0em}{2.3em}}
\renewcommand*\l@subsection{\@dottedtocline{2}{0em}{3.2em}}
\renewcommand*\l@subsubsection{\@dottedtocline{3}{0em}{4.1em}}

\setlength{\parindent}{1.5cm}

\hyphenation{geo-me-tri-as}
\hyphenation{com-ple-xi-da-de}
\begin{document}

\pagestyle{myheadings}

\include{folharosto}
\setcounter{page}{2}
%\sumario

\include{introducao}


%\include{referecialTeorico}

%\include{metodologia}

%\include{resultados}

%\nocite{*}
\bibliographystyle{unsrt}
\bibliography{proposta}

\end{document}